#2F3CA5#2F3CA5

#2F3CA5 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.168 H 271.5°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CA5
RGB	rgb(47, 60, 165)
HSL	hsl(233, 56%, 42%)
HSV	hsv(233, 72%, 65%)
CMYK	cmyk(71.5%, 63.6%, 0%, 35.3%)
CIE-LAB	lab(30.76, 31.10, -58.12)
CIE-LCH	lch(30.76, 65.91, 298.15°)
OKLab	oklab(41.55% 0.0043 -0.1678)
OKLCH	oklch(41.55% 0.168 271.5)
XYZ	xyz(9.5774, 6.5517, 36.3499)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CA5 #A5982F

analogous

#2F77A5 #2F3CA5 #5D2FA5

triadic

#2F3CA5 #A52F3C #3CA52F

tetradic

#2F3CA5 #A52F77 #A5982F #2FA55D

square

#2F3CA5 #A52F77 #A5982F #2FA55D

split-complementary

#2F3CA5 #A55D2F #77A52F

monochromatic

#141946 #212B75 #2F3CA5 #4755CB #7681D8

Accessibility & contrast

On white

9.09

#2F3CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2F3CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CA5

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CA5	#FFFFFF	#000000	##FFFFFF
##2F3CA5	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA8

Deuteranopia (green-blind)

#0043A3

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3ca5;
/* rgb */ color: rgb(47, 60, 165);
/* oklch */ color: oklch(41.6% 0.168 271.5);

Tailwind

colors: {
  custom: {
    50: '#7871c1',
    500: '#2f3ca5',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ca5;
$custom-light: #7871c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ca5",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 165
  },
  "hsl": {
    "h": 233.39,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41552,
    "c": 0.16786,
    "h": 271.5
  },
  "luminance": 0.06553
}

Semantic roles & 50–950 ramp

primary

#2F3CA5

secondary

#C0B770

accent

#CE49DF

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3CA5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →